Subtracting two digit number online math test

Subtracting two digit number online math test, how to subtract two digit numbers online quiz for students in third grade, fourth grade and fifth grade. For students, this can be used as an educative game. Could be accessed easily on their phones or laptop. Students could open up their brains to solve the problems, it could also serve as a form of a game for students to keep themselves enlightened. Have fun with numbers, play around with numbers and get educated in the process. Parents and teachers need to take note of this end find ways to make this learning more fun. 22 cows are outside, the farmer takes 12 into the shard. How many cows are left outside?